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Traveler's-joy
Invasive Species Information

Creeping Bellflower  - Campanula rapunculoides Biodiversity Medium Risk Invasive Species 14

What Is Traveler's-joy - (Clematis vitalba)?
Habitat: Terrestrial
Distribution in Ireland:
Status: Established
Family name: Ranunculaceae (Buttercup family)
Common name/s: Old Man's Beard, Wild Clematis, Devil’s Hair

Reproduction

Traveler's-joy spreads primarily through seed production and vegetative propagation:

  • Seed Dispersal: The feathery seed heads are dispersed by wind, allowing the plant to spread over considerable distances.

  • Vegetative Spread: The plant can also regrow from stem fragments and root suckers, which contribute to its persistence and spread.

Clover broomrape Biodiversity Medium Risk Invasive Species 14

Traveler's-joy Flower

Clover broomrape Biodiversity Medium Risk Invasive Species 14

Traveler's-joy (Clematis vitalba) is a vigorous, deciduous climbing vine known for its rapid growth, feathery seed heads, and clusters of creamy-white flowers.

Native to Europe and parts of Asia, it has spread to other regions, including New Zealand, where it is considered highly invasive. The plant's ability to climb and smother other vegetation makes it a concern in some natural habitats.

Traveler's-joy Achenes

In Ireland, Traveler's-joy is naturalised and widespread, particularly in hedgerows, woodland edges, and disturbed habitats. It is not classified as a highly invasive species but can spread aggressively in some areas, smothering trees and shrubs, and altering the structure of natural and semi-natural habitats

The plant reproduces through wind-dispersed seeds and can regrow from root fragments, making management challenging.

Control measures include mechanical removal, herbicide application, and regular monitoring to prevent establishment.

Traveler's-joy can smother other vegetation and alter habitat structures if left unmanaged.

The plant grows well in well-drained, calcareous soils and prefers full sun to partial shade, although it can tolerate shade when young.

How To Identify Traveler's-joy?

Traveler's-joy [Old Man's Beard] - Clematis vitalba ID Card V7-4.png

Leaf: The leaves are opposite and pinnate, consisting of 3-5 leaflets. Each leaflet is oval to heart-shaped, with a rough texture and toothed edges, and can measure 4-10 cm in length.
Flower: Produces clusters of creamy-white flowers with a diameter of 2-3 cm
Stem: The stems are woody and brown, becoming grooved and tough with age
Fruit: Forms distinctive, feathery seed heads (achenes) 
Root: The plant has a deep, fibrous root system

Traveler's-joy - Clematis vitalba​ ID Guide

Clover broomrape Biodiversity Medium Risk Invasive Species 14

Traveler's-joy Seeds

Traveler's-joy - Clematis vitalba 8.jpg

Traveler's-joy Buds

Traveler's-joy - Clematis vitalba 26.jpg

Traveler's-joy Leaf

Traveler's-joy - Clematis vitalba 27.jpg

Traveler's-joy Flower

Why Is Traveler's-joy A Problem?

Traveler's-joy can have several ecological impacts in areas where it becomes established:

  • Smothering Vegetation: The vine can climb over and smother trees and shrubs, reducing light availability and potentially killing the host plants.

  • Alteration of Habitat Structure: Dense growth can change the structure of hedgerows and woodland edges, impacting the diversity of plant and animal species.

  • Increased Maintenance Costs: In urban and suburban areas, the plant may require regular cutting and removal to prevent it from overtaking structures and gardens.

 

Managing Traveler's-joy involves various approaches to prevent its spread and control established plants:

  • Mechanical Control: Cutting and removing vines can help reduce its impact, but repeated efforts are needed to exhaust the plant's energy reserves. Digging out the roots may be necessary for complete eradication, especially for mature plants.

  • Chemical Control: Herbicides can be applied to cut stems or regrowth to prevent further spread, though multiple treatments may be required.

 

Preventative Measures: Regular monitoring of woodland edges and hedgerows can help detect new growth early and prevent the plant from establishing.

European Communities (Birds and Natural Habitats) Regulations 2011 non-native invasive plant species A-Z (Updated 2017)


There are currently 35 invasive plant species listed in the European Communities (Birds and Natural Habitats) Regulations (annex 2, Part 1)...
 
Click on a species from the following list to find out more regarding non-native species subject to restrictions under Regulations 49 and 50.

Additional Non-Native Plant Species identified as Medium Risk on Ireland's Biodiversity List...

Common name 

African woodsorrel

American skunk cabbage

Annual bur-sage

Antithamnionella ternifolia

Barberry

Black currant

Brazilian waterweed

Butterfly-bush

Canadian-fleabane

Clover broomrape

Creeping Bellflower

Dead man's fingers

Douglas fir

Early goldenrod

False acacia

Field penny-cress

Garden lupin

Giant rhubarb

Hairy rocket

Himalayan honeysuckle

Himalayan knotweed

Holm oak

Japanese barberry

Japanese honeysuckle

Japanese rose

Leafy spurge

Least duckweed

Narrow-leaved ragwort

New Zealand bur

Ostrich fern

Pampas grass

Pitcherplant

Red oak

Red sheath tunicate

Rock cotoneaster

Rum cherry

Russian-vine

Salmonberry

Sea-buckthorn

Sycamore

Three-cornered garlic

Traveler's-joy

Tree of heaven

Turkey oak

Virginia-creeper

Warty cabbage

Water fern

Wild parsnip

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Risk score 

14

15

17

15

14

14

17

17

14

17

16

16

15

14

17

17

17

16

17

14

16

14

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14

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14

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14

14

14

14

14

14

14

17

14

14

14

15

15

17

17

14

16

15

14

15

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